However, Counterpoint's report covers the worldwide mobile market, and its data shows that the iPhone 5C isn't quite as popular across the globe, with the plastic handset ranking in fifth place on its top 10 list, behind Samsung's Galaxy S4 and Galaxy Note 3 devices.

"iPhone 5c shipments continue to decline, but Apple continued clearing excess inventory for the [smartphone] during the month," Counterpoint said.

Apple's now-ageing iPhone 4S took sixth place on the popularity list, followed by China's Xiaomi MI3, the Galaxy S4 Mini, the oddly-named Xiomi Hongmi Redrice and the Samsung Galaxy Grand 2.

Comtech noted that Sony's Xperia Z1 fell just short of making the list, as did Motorola's Moto G and the LG G2. It also said that it expects the Nokia X to join the list next month too, with the handset moving up fast after just two months of sales.

This is bad news for Microsoft, with its Windows Phone mobile operating system failing to get a mention. According to Comtech's June statistics, Microsoft's mobile operating system accounts for 9.1 percent of the UK smartphone market. Blackberry's market share stands at just 1.1 percent. µ